Water may be introduced into a respiratory tract.Logical formLearned from1 sentences. A part can be about a respiratory illness.Logical formLearned from1 sentences. A respiratory illness can be hideous.Logical formLearned from1 sentences. Respiratory tracts may undergo openings.Logical formLearned from1 sentences. Walls can be respiratory.Logical formLearned from1 sentences. A canal can be respiratory.Logical formLearned from1 sentences. Respiratory organs may resemble gill-slits.Logical formLearned from1 sentences. Papillaes can be respiratory.Logical formLearned from1 sentences. An action can be on respiratory organs.Logical formLearned from1 sentences. Parts may pertain-to respiratory passages.Logical formLearned from1 sentences. Malarial fevers may pertain-to respiratory organs.Logical formLearned from1 sentences. Malarial fevers of respiratory organs can be uncommon.Logical formLearned from1 sentences. Respiratory trees may undergo a development.Logical formLearned from1 sentences. Caeca may call respiratory trees.Logical formLearned from1 sentences. A cavity can be as respiratory organs.Logical formLearned from1 sentences.